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Let *: R × R → R be a binary operation given by a * b = a + 4b2. Then, compute (-5) * (2 * 0).

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We know that a * b = a + 4b2

It is given that

(-5) * (2 * 0) = (-5) * (2 + 4 × 02) = – 5 * 2

In the same way

= – 5 + 4 × (-2)2 = 11

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